3 years ago

Simplify the expression by combining like terms -2x + 3 (2x-2)+4

Mathematics

1 answer:

TiliK225 [7]3 years ago

4 0

-2x + 6x - 6 + 4

4x -2 Is The Simplified Expression

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A car used 16 gallons of gasoline and traveled a total distance of 460 miles. The car's fuel efficiency is 30 miles per gallon o

AURORKA [14]

Answer:

12 gallons

Step-by-step explanation:

Total gallons = 16 gallons

Total distance = 460 miles

Fuel efficiency in the highway = 30 miles per gallon

Fuel efficiency in the city = 25 miles per gallon

Let

h = gallons of gasoline were used on the highway.

460 = 30h + 25(16 - h)

460 = 30h + 400 - 25h

460 - 400 = 30h - 25h

60 = 5h

h = 60/5

h = 12 gallons

12 gallons of gasoline were used on the highway.

7 0

3 years ago

Write three expressions that are equivalent to 2^6

aleksandr82 [10.1K]

Answer:

well 2^6 = 64 so 8x8, 32x2 and 16x4 would all be correct

4 0

3 years ago

Find the value of x to the nearest tenth.

Svetach [21]

Cos(angle) = Adjacent Leg / Hypotenuse

cos(35) = 9 / x

x = 9 / cos(35)

x = 10.99

Rounded to nearest tenth = 11.0

6 0

4 years ago

Read 2 more answers

A 180 pound person is hanging onto a 15-foot rope. Assuming the rope is uniform and that it weighs 2 pound per foot, set up (but

aleksklad [387]

Answer:

The answer is "g= 32 FPS"

Step-by-step explanation:

Given value:

$mass = 180\\\\length= 15 \\\\\lambda = \frac{ mass}{ length} = 2 \ \text{pound per foot} \\\\\bold{Formula}\\\\ \to w \int_{a}^{b} F \cdot d \ dx = \int_{0}^{15} (2x+180) \ g \ dx$

by solving the value we get the value of g that is equal to 32.

4 0

3 years ago

I Need Help With This Question Please Help Me

Vladimir [108]

Answer:

$r_Y=\frac{3}{\pi}$

Step-by-step explanation:

Circumference has the formula:

C = 2πr,

Where

C is the circumference

and

r is the radius

Given Circle Y has Circumference of 6, we can find the radius:

C = 2πr

6 = 2πr

r = 6/2π

r = 3/π

So, the radius (r_y) of Circle Y is 3/π, the first choice is right.

3 0

3 years ago